402431012004 has 36 divisors (see below), whose sum is σ = 1092312748464. Its totient is φ = 114980288976.

The previous prime is 402431011999. The next prime is 402431012047. The reversal of 402431012004 is 400210134204.

402431012004 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342202654 + ... + 342203829.

Almost surely, 2^402431012004 is an apocalyptic number.

It is an amenable number.

402431012004 is an abundant number, since it is smaller than the sum of its proper divisors (689881736460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402431012004 is a wasteful number, since it uses less digits than its factorization.

402431012004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684406504 (or 684406495 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 402431012004 its reverse (400210134204), we get a palindrome (802641146208).

The spelling of 402431012004 in words is "four hundred two billion, four hundred thirty-one million, twelve thousand, four".